... stl, *.x-tSurface treatments:Paint, polish, silk-print, anodize, transparent surface, translucent surface, brush, rubber oil, electroplatMaterials:ABS, Polycarbonate ... and etc.2.Medical devices: B Ultrasound scanner case, Ultrasonic diagnostic imaging care, and etc. 3.Telecommunications ... : micro phone, speaker, monitor case, computer and etc.4.Auto parts: dashboard, car ...